4442288666 has 16 divisors (see below), whose sum is σ = 7154775360. Its totient is φ = 2061044160.

The previous prime is 4442288659. The next prime is 4442288681. The reversal of 4442288666 is 6668822444.

It is a zygodrome in base 10.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917696 + ... + 922523.

It is an arithmetic number, because the mean of its divisors is an integer number (447173460).

Almost surely, 2^4442288666 is an apocalyptic number.

4442288666 is a deficient number, since it is larger than the sum of its proper divisors (2712486694).

4442288666 is a wasteful number, since it uses less digits than its factorization.

4442288666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840309.

The product of its digits is 3538944, while the sum is 50.

The square root of 4442288666 is about 66650.4963672440. The cubic root of 4442288666 is about 1643.8755095536.

The spelling of 4442288666 in words is "four billion, four hundred forty-two million, two hundred eighty-eight thousand, six hundred sixty-six".